.nodes-hero {
  position: relative;
  max-width: 100%;
  overflow-x: clip;
  background: linear-gradient(180deg, var(--color-accent-05), var(--color-paper));
  padding-top: 72px;
  padding-bottom: 82px;
}

.nodes-hero__inner {
  position: relative;
}

.nodes-hero__copy {
  max-width: 820px;
  margin-inline: auto;
  text-align: center;
}

.nodes-title {
  margin-top: 16px;
}

.nodes-hero__actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-top: 24px;
}

.region-board {
  position: relative;
  width: min(100%, 920px);
  margin: 52px auto 0;
  overflow: hidden;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-window);
  background: var(--color-surface);
  box-shadow: var(--shadow-window), inset 0 1px 0 var(--color-highlight);
  padding: 28px;
}

.region-board::before {
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  height: 6px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-accent-deep));
  content: "";
}

.region-board__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.region-board__head h2 {
  margin-top: 4px;
  font-size: 28px;
}

.region-board__label {
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .08em;
}

.region-board__grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-top: 24px;
}

.region-tile {
  position: relative;
  display: grid;
  min-width: 0;
  min-height: 130px;
  align-content: start;
  gap: 8px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-card);
  background: var(--color-paper);
  padding: 18px;
}

.region-tile--current {
  border-color: var(--color-accent);
  background: var(--color-accent-05);
}

.region-tile--current::after {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-accent);
  box-shadow: 0 0 0 4px var(--color-accent-12);
  content: "";
}

.region-tile strong {
  font-family: var(--font-display);
  font-size: 18px;
}

.region-tile small {
  color: var(--color-muted);
  line-height: 1.6;
}

.region-tile__mark {
  display: grid;
  width: 22px;
  height: 16px;
  place-items: center;
  color: var(--color-indigo);
  font-family: var(--font-mono);
  font-size: 22px;
  line-height: 1;
}

.region-board__types {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 18px;
  border-top: 1px solid var(--color-line);
  padding-top: 18px;
}

.nodes-doodle--left {
  top: 42%;
  left: -120px;
  width: 150px;
  height: 80px;
}

.nodes-doodle--right {
  right: -90px;
  bottom: 40px;
  width: 110px;
  height: 90px;
}

.nodes-table-note {
  margin-top: 24px;
}

.nodes-types {
  background: var(--color-surface-warm);
}

.route-type-cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}

.route-type-card {
  display: flex;
  min-width: 0;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-large);
  background: var(--color-surface);
  box-shadow: inset 0 1px 0 var(--color-highlight), var(--shadow-card);
  padding: 28px;
}

.route-type-card--featured {
  border-color: var(--color-indigo);
  background: linear-gradient(180deg, var(--color-surface), var(--color-indigo-12));
}

.route-type-card__head {
  display: flex;
  min-width: 0;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.route-type-card__index {
  color: var(--color-muted);
  font-size: 12px;
  font-weight: 700;
}

.route-type-card h3 {
  margin-top: 22px;
}

.route-type-card p {
  margin-top: 16px;
  color: var(--color-muted);
}

.route-type-card__footer {
  display: grid;
  gap: 4px;
  margin-top: auto;
  border-top: 1px solid var(--color-line);
  padding-top: 20px;
}

.route-type-card__footer strong {
  color: var(--color-accent-deep);
  font-size: 13px;
}

.route-type-card__footer span {
  color: var(--color-muted);
}

.usage-layout {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.usage-card {
  display: flex;
  min-width: 0;
  flex-direction: column;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-large);
  background: var(--color-surface);
  box-shadow: inset 0 1px 0 var(--color-highlight), var(--shadow-card);
  padding: 28px;
}

.usage-card--wide {
  grid-column: span 2;
  background: var(--color-surface-warm);
}

.usage-card__tag {
  color: var(--color-indigo);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .08em;
}

.usage-card h3 {
  margin-top: 12px;
}

.usage-card p {
  margin-top: 14px;
  color: var(--color-muted);
}

.usage-card__component {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: auto;
  padding-top: 22px;
}

.usage-card__component > span:not(.badge) {
  display: inline-flex;
  min-height: 30px;
  align-items: center;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-pill);
  background: var(--color-surface);
  padding-inline: 12px;
  color: var(--color-ink);
  font-size: 12px;
  font-weight: 650;
}

.nodes-method {
  background: linear-gradient(180deg, var(--color-paper), var(--color-accent-05));
}

.method-list {
  display: grid;
  max-width: 900px;
  margin-inline: auto;
  list-style: none;
  counter-reset: method-step;
}

.method-item {
  position: relative;
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  gap: 18px;
  counter-increment: method-step;
  padding-bottom: 30px;
}

.method-item::before {
  display: grid;
  width: 46px;
  height: 46px;
  place-items: center;
  border: 1px solid var(--color-accent);
  border-radius: 50%;
  background: var(--color-surface);
  box-shadow: var(--shadow-card);
  content: counter(method-step);
  color: var(--color-accent-deep);
  font-family: var(--font-mono);
  font-weight: 800;
}

.method-item:not(:last-child)::after {
  position: absolute;
  top: 48px;
  bottom: 0;
  left: 22px;
  width: 1px;
  background: var(--color-line);
  content: "";
}

.method-item__body {
  min-width: 0;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-card);
  background: var(--color-surface);
  box-shadow: inset 0 1px 0 var(--color-highlight);
  padding: 22px;
}

.method-item__body h3 {
  font-size: 21px;
}

.method-item__body p {
  margin-top: 10px;
  color: var(--color-muted);
}

.nodes-method__note {
  max-width: 900px;
  margin: 10px auto 0;
}

.coverage-strip {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 36px;
  overflow: hidden;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-large);
  background: var(--color-surface-warm);
  box-shadow: var(--shadow-card), inset 0 1px 0 var(--color-highlight);
  padding: 34px;
}

.coverage-strip__copy {
  min-width: 0;
}

.coverage-strip__copy h2 {
  margin-top: 14px;
  font-size: clamp(30px, 4vw, 44px);
}

.coverage-strip__copy p {
  max-width: 680px;
  margin-top: 12px;
  color: var(--color-muted);
}

.coverage-strip__facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(120px, 1fr));
  gap: 10px;
}

.coverage-fact {
  display: grid;
  min-width: 0;
  gap: 4px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-card);
  background: var(--color-surface);
  padding: 18px;
}

.coverage-fact strong {
  font-family: var(--font-display);
  font-size: 18px;
}

.coverage-fact span {
  color: var(--color-muted);
  font-size: 12px;
}

@media (max-width: 1024px) {
  .region-board__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .route-type-cards {
    grid-template-columns: 1fr;
  }

  .coverage-strip {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .nodes-hero {
    padding-top: 52px;
    padding-bottom: 64px;
  }

  .region-board {
    margin-top: 38px;
    padding: 22px;
  }

  .region-board__head {
    align-items: flex-start;
  }

  .usage-layout {
    grid-template-columns: 1fr;
  }

  .usage-card--wide {
    grid-column: auto;
  }

  .coverage-strip__facts {
    grid-template-columns: 1fr;
  }

  .nodes-doodle {
    display: none;
  }
}

@media (max-width: 640px) {
  .nodes-hero__actions {
    flex-direction: column;
  }

  .nodes-hero__actions .btn {
    width: 100%;
  }

  .region-board {
    padding: 18px;
  }

  .region-board__head {
    flex-direction: column;
  }

  .region-board__grid {
    grid-template-columns: 1fr;
  }

  .region-tile {
    min-height: 0;
  }

  .route-type-card,
  .usage-card {
    padding: 22px;
  }

  .method-item {
    grid-template-columns: 40px minmax(0, 1fr);
    gap: 12px;
  }

  .method-item::before {
    width: 38px;
    height: 38px;
  }

  .method-item:not(:last-child)::after {
    top: 40px;
    left: 18px;
  }

  .method-item__body {
    padding: 18px;
  }

  .coverage-strip {
    padding: 22px;
  }
}